Overview
The LMH1982SQE, manufactured by National Semiconductor, is a high-performance clock generator designed for multi-rate video applications. This integrated circuit (IC) is part of the linear - video processing category and is widely used in professional video equipment. Its market positioning targets industries requiring precise clock generation for video synchronization, such as broadcast, production, and post-production environments. The LMH1982SQE stands out for its ability to support multiple video standards, including NTSC, PAL, and SMPTE, making it a versatile solution for video processing systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Linear - Video Processing | ||
| Manufacturer | National Semiconductor | ||
| Function | Clock Generator | ||
| Application | Professional Video | ||
| Standards | NTSC, PAL, SMPTE | ||
| Control Interface | I2C | ||
| Supply Voltage | 3.135V ~ 3.465V | V | |
| Mounting Type | Surface Mount | ||
| Package/Case | 32-WFQFN Exposed Pad | ||
| Supplier Device Package | 32-WQFN (5x5) |
Key Features
- Supports multiple video standards including NTSC, PAL, and SMPTE.
- I2C control interface for easy integration and configuration.
- Compact 32-WFQFN package suitable for space-constrained applications.
- Wide supply voltage range of 3.135V to 3.465V for flexible power management.
- Designed for professional video applications, ensuring high reliability and performance.
Applications
The LMH1982SQE is primarily used in professional video equipment such as broadcast systems, video production, and post-production environments. Its ability to generate precise clock signals for multiple video standards makes it ideal for applications requiring synchronization and timing accuracy. Additionally, it is commonly used in display systems, projectors, and video receivers, where reliable clock generation is critical for optimal performance.
Q & A
1. What is the primary function of the LMH1982SQE?
The LMH1982SQE is a clock generator designed for multi-rate video applications, providing precise timing for professional video systems.
2. Which video standards does the LMH1982SQE support?
It supports NTSC, PAL, and SMPTE video standards.
3. What is the supply voltage range for the LMH1982SQE?
The supply voltage range is 3.135V to 3.465V.
4. What is the control interface used in the LMH1982SQE?
It uses an I2C control interface for configuration and integration.
5. What is the package type of the LMH1982SQE?
It comes in a 32-WFQFN exposed pad package.
6. What are the typical applications of the LMH1982SQE?
It is used in broadcast systems, video production, display systems, projectors, and video receivers.
7. Is the LMH1982SQE suitable for surface mount applications?
Yes, it is designed for surface mount applications.
8. What is the operating temperature range of the LMH1982SQE?
The operating temperature range is 0°C to 70°C.
9. Can the LMH1982SQE be used in consumer electronics?
While it is primarily designed for professional video applications, it can be adapted for high-end consumer electronics requiring precise clock generation.
10. What is the significance of the I2C interface in the LMH1982SQE?
The I2C interface allows for easy configuration and control of the clock generator, simplifying integration into complex systems.
